/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

module dropsitewindow_d1;

import tango.text.Util;
import tango.text.Ascii;
import tango.text.convert.Format;

import qt.gui.QWidget;
import qt.gui.QLabel;
import qt.gui.QTableWidget;
import qt.gui.QPushButton;
import qt.gui.QVBoxLayout;
import qt.gui.QDialogButtonBox;

import droparea;


class DropSiteWindow : public QWidget
{
public:
	
	this()
	{
		abstractLabel = new QLabel(tr("This example accepts drags from other "
			"applications and displays the MIME types "
			"provided by the drag object."));
		
		abstractLabel.setWordWrap(true);
		abstractLabel.adjustSize();

		dropArea = new DropArea;
        connect!("changed")(dropArea, &updateFormatsTable);

		string[] labels;
		labels ~= tr("Format");
		labels ~= tr("Content");

		formatsTable = new QTableWidget;
		formatsTable.setColumnCount(2);
		formatsTable.setEditTriggers(QAbstractItemView.NoEditTriggers);
		formatsTable.setHorizontalHeaderLabels(labels);
		formatsTable.horizontalHeader().setStretchLastSection(true);

		clearButton = new QPushButton(tr("Clear"));
		quitButton = new QPushButton(tr("Quit"));

		buttonBox = new QDialogButtonBox;
		buttonBox.addButton(clearButton, QDialogButtonBox.ActionRole);
		buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole);

        connect!("pressed")(quitButton, &close);
        connect!("pressed")(clearButton, &dropArea.clearArea);

		QVBoxLayout mainLayout = new QVBoxLayout;
		mainLayout.addWidget(abstractLabel);
		mainLayout.addWidget(dropArea);
		mainLayout.addWidget(formatsTable);
		mainLayout.addWidget(buttonBox);
		setLayout(mainLayout);

		setWindowTitle(tr("Drop Site"));
		setMinimumSize(350, 500);
	}

	void updateFormatsTable(QMimeData mimeData)
	{
		formatsTable.setRowCount(0);
		if (!mimeData)
			return;

		foreach (string format; mimeData.formats()) {
			QTableWidgetItem formatItem = new QTableWidgetItem(format);
			formatItem.setFlags(Qt.ItemIsEnabled);
			formatItem.setTextAlignment(Qt.AlignTop | Qt.AlignLeft);

			string text;
			if (format == "text/plain") {
				text = trim(mimeData.text());
			} else if (format == "text/html") {
				text = trim(mimeData.html());
			} else if (format == "text/uri-list") {
				QUrl[] urlList = mimeData.urls();
				for (int i = 0; i < urlList.length && i < 32; ++i) {
					string url = urlList[i].path();
					text ~= url ~ " ";
				}
			} else {
				QByteArray data = mimeData.data(format);
				for (int i = 0; i < data.size() && i < 32; ++i) {
					string hex = toUpper(Format("{0:x}", data.at(i)));				
					text ~= hex ~ " ";
				}
			}

			int row = formatsTable.rowCount();
			formatsTable.insertRow(row);
			formatsTable.setItem(row, 0, new QTableWidgetItem(format));
			formatsTable.setItem(row, 1, new QTableWidgetItem(text));
		}

		formatsTable.resizeColumnToContents(0);
	}

private:

	DropArea dropArea;
	QLabel abstractLabel;
	QTableWidget formatsTable;

	QPushButton clearButton;
	QPushButton quitButton;
	QDialogButtonBox buttonBox;
}
